# SOLEC protocol specification

## Data format

Everything is big endian. `text` is always null terminated UTF-8.
Every packet starts with `uint8` denoting type of the rest of remaining data.

## Event types

| Type | Name      |
|------|-----------|
| 0x01 | Handshake |
| 0x02 | Ping      |
| 0x03 | Pong      |
| 0x04 | Message   |
| 0xFF | Test      |

## Events

### Handshake

Sent after estabilishing TCP connection. First by the client and then by the server.
If one of the sides uses different protocol version connection should be aborted.

| Type  | Name | Description      |
|-------|------|------------------|
| uint8 | ver  | Protocol version |


### Ping

Empty.

### Pong

`time` field contains Unix timestamp generated just before sending the packet.
Timezone should always be UTC.

| Type   | Name | Description      |
|--------|------|------------------|
| uint64 | time | Unix timestamp   |

### Test

Event type reserved for testing. Does not have defined structure.